/*
 * Copyright 2017 Crown Copyright
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package stroom.pipeline.state;

import stroom.meta.shared.AttributeMap;
import stroom.util.pipeline.scope.PipelineScoped;

@PipelineScoped
public class MetaDataHolder extends AbstractHolder<MetaDataHolder> implements Holder {
    private MetaDataProvider metaDataProvider;

    public String get(final String key) {
        if (metaDataProvider != null) {
            return metaDataProvider.get(key);
        }
        return null;
    }

    public AttributeMap getMetaData() {
        if (metaDataProvider != null) {
            return metaDataProvider.getMetaData();
        }
        return null;
    }

    public void setMetaDataProvider(final MetaDataProvider metaDataProvider) {
        this.metaDataProvider = metaDataProvider;
    }
}
